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Finding the Fourth Proportional to 272,063.20, 407,748.32 and 153,800.32

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Solution

The fourth proportional to 272,063.20, 407,748.32 and 153,800.32 is: 230,504.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,063.20 : 407,748.32 = 153,800.32 : x
  2. Step 2: Convert to fraction form
    272,063.20/407,748.32 = 153,800.32/x
  3. Step 3: Cross multiply
    272,063.20x = 407,748.32 × 153,800.32
  4. Step 4: Simplify right side
    272,063.20x = 62,711,822,095.46
  5. Step 5: Solve for x
    x = 62,711,822,095.46/272,063.20
  6. Step 6: Final answer
    x = 230,504.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.